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array.c: reduce to_ary call

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* array.c (flatten): no need to call to_ary method on elements
  beyond the given level.  [ruby-core:67637] [Bug #10748]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49400 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-01-25 03:04:10 +00:00
parent 7d87d0c466
commit aa436bdca6
4 changed files with 39 additions and 1 deletions
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26
test/ruby/test_array.rb
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@ -790,6 +790,19 @@ class TestArray < Test::Unit::TestCase
assert_not_same(a8, a9)
end
def test_flatten_splat
bug10748 = '[ruby-core:67637] [Bug #10748]'
o = Object.new
o.singleton_class.class_eval do
define_method(:to_ary) do
raise bug10748
end
end
a = @cls[@cls[o]]
assert_raise_with_message(RuntimeError, bug10748) {a.flatten}
assert_nothing_raised(RuntimeError, bug10748) {a.flatten(1)}
end
def test_flatten!
a1 = @cls[ 1, 2, 3]
a2 = @cls[ 5, 6 ]
@ -814,6 +827,19 @@ class TestArray < Test::Unit::TestCase
assert_nil(@cls[].flatten!(0), '[ruby-core:23382]')
end
def test_flatten_splat!
bug10748 = '[ruby-core:67637] [Bug #10748]'
o = Object.new
o.singleton_class.class_eval do
define_method(:to_ary) do
raise bug10748
end
end
a = @cls[@cls[o]]
assert_raise_with_message(RuntimeError, bug10748) {a.flatten!}
assert_nothing_raised(RuntimeError, bug10748) {a.flatten!(1)}
end
def test_flatten_with_callcc
need_continuation
o = Object.new